The dead pool

"Kirstin Rutherford's return to Edinburgh after two years away is tinged with sadness because five months ago her beloved father-in-law, Jamie, drowned in a deep pool in the Water of Leith, known locally as The Cauldron. And no one is sure whether it was a tragic accident, or a suicide, or something much more sinister."@en
"Kirstin Rutherford's return to Edinburgh after two years away is tinged with sadness because five months ago her beloved father-in-law Jamie, drowned in a deep pool in the Water of Leith, known locally as The Cauldron. And no one is sure whether it was a tragic accident or a suicide or something more sinister."
"Kirstin Rutherford's return to Edinburgh after two years away is tinged with sadness: five months ago, her father-in-law Jamie drowned in a deep pool in the Water of Leith, known locally as The Cauldron. And no one is sure whether it was a tragic accident or something more sinister... One person who may know is the enigmatic Morag Ramsay, for her boyfriend and his secret lover were murdered at The Cauldron just months before Jamie's drowning. Kirstin befriends her, convinced that she holds the key to Jamie's death, but her brittle and unpredictable manner makes her less than a reliable witness. Kirstin begins to suspect everyone's motives, including those who died. Who can she trust? And, more importantly, who should she fear...?"